A straight 2.10 wire carries a typical household current of 1.50 (in one directi

Question

A straight 2.10 wire carries a typical household current of 1.50 (in one direction) at a location where the earth's magnetic field is 0.550 from south to north.

Find the magnitude of the force that our planet's magnetic field exerts on this cord if is oriented so that the current in it is running from west to east.

Find the magnitude of the force that our planet's magnetic field exerts on this cord if is oriented so that the current in it is running vertically upward.

Find the magnitude of the force that our planet's magnetic field exerts on this cord if is oriented so that the current in it is running from north to south.

Explanation / Answer

a.) The force is directed upward.

b.) (1.50) (.550*10^-4)(2.40)Sin(90) = 1.98*10^-4 N

c.) The force is directed from east to west.

d.) Same as B

e.) There is no force exerting on the wire.

f.) (1.50) (.550*10^-4)(2.40)Sin(180) = 0N

g.) no

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